Molding machine



'June3, 1924. 1,496,712

H. KLEB,

MOLDING MACHINE Filed July e, 1923 Patented June 3, 1924.

UNITED STATES HENRY KLEB, OF ELIZABETH, NEW JERSEY.

MOLDING MACHINE.

Application filed July 6,

To all whom it may concern.

vBe it known that I, HENRY KLEB, a citizen of the United States,residing at Elizabeth, in the county of Union and State of New Jersey,have invented new and useful Improvements in Molding Machines, of whichthe following is a specification.

This invention relates to molding machines.

One object isto provide a molding machine particularly adapted toproduce a multiple number of pots in oneoperation, and thereby reducethe'cost of production.

The invention consists in the combination and arrangement of partshereinafter more fully described, illustrated in theaccompanying-drawing, and particularly pointed out in the appendedclaims, it being understood that changes may be made in the form,proportion,

. the molding machine, showing relation with various parts and takensubstantially on the 1ineC-C. I i.

Referring'now more particularly to the accompanying drawing, thecharacter 20 indicates a frame, which serves as a supr guided sleeves 14and port for a crank shaft 16. Sleeved on the crankshaft 16 is a seriesof connecting rods 13. The upper-ends of the connecting rods 13 areprovided with sectional bearing the lower ends of the connecting rodsare connected by suitablejoints 12;to-form'spindles 3, which arethreaded to cause arotary motion during the up and down movement of thespindles3, which are in vertical bearing lOOXGSQl. The bearing boxes 21,which are mounted in a horizontal guide bar 21 0f the frame 20, arethreaded to engage the threads of the spindles-to-produce thesaidzrotary motion. secured to' theslower end of the form size and minordetails without-- departing from the spirit or sacrificing any 1923.Serial No. 649,854.

' spindle 3 are plungers 2, and the said form spindles also carryyieldably mounted compressor plates 6, located immediately above theplungers 2 engaged by springs 7 interposed between the cam presserplates 6 and collars 8 and adapted to urge the compressor plates 6downwardly. The form spindles pass through the collars which may beconnected with the plunger 2 by pins. 1

9. Thepins 9 serve as retaining means for the spring 7, but the collars8 may be fixed to spindles as shown with thepins carried by thecompressor plates and extending through collar8.

Journaled suitably inthe frame is a square shaft or support ng member 15providedwith grooves 11 for ejector spindle ball 10', and detachablyretained in said means of a collar or cap 11. The prolongamotion whenmoved up and down, attached to ejector valves 4, forming a part ofmolds: 1, which are mounted in the frame Brackets 22 serve as guide andbrace for suspended from the end cranks 16 of the; crankshaft 16 byupper andflowerlinks19' and 19. The crank raise the ejectors plungers 2.are withdrawn from the molds shaft 16 is adapted to by the, crank shaftin the operationof mold ing machine, and the plungers and ejectors will'be rotated during their upward and downward movements. The horizontalsupporting bar is guided in slot boxes 18's'uitably secured to thefraine20 at the ends thereof,

'Journaled, in the frame mid-way between the top and bottom is a shaft37, driven by a pulley 30 and provided at its ends with flanges 31forming eccentrics and consisting of disks having eccentricallyconnected to them pitman 35. which extend to andare pivotally connectedwith sliding rods or bars The sliding rods or members, carry a-tiltingrod 32 and 'operateinguides 36, consisting of fixed arms or supports.These slidable rods tilt the pot in an inverted position over a fixedbar 38 ontoa conveyor belt 23. The crank shaft is driven by means of apulley 17-. I, Mounted on top of frame 20, jalongside of crank shaft.16- and driven byj jcmeansgof grooves by '75 tion of ejector spindleballlO is the ejectorl spindle 5, which is threaded to cause a rotary"simultaneously when the;

pulley 29 is the feeding arrangement con sisting of a hopper 27 and aset of rollers 28 journaled in the hopper and provided with pocketsadapted to form plastic material into balls, which are delivered by therollers to a worm-shaped conveyor 24:, enclosed in a casing 25.

At convenient distances in said casing are attached tubular chutes 26,which lead to the mouths of the molds. At the end of each of the tubularchutes is attached a rotary dislodging device 33, operated by means ofconnecting rods 34; connected at their upper ends with the crank shaft16 and at the lower ends to crank arms 34: of

a shaft or pivot 33 of the dislodging device 33. The dislodging device33 is adapted to carry the crank 34 over the dead center so that thedislodging device will be rotated by the upper crank shaft 16.

What I claim is 1. A multiple pot molding machine of the characterdescribed, comprising a frame, a set of molds, a crank shaft journaledin the frame above the molds, plungers p.8 I-' atively connected withthe crank shaft and mova'ble into and out of the molds, means movablewith the plnngers for closing the mouthof the molds, ejecting meanslocated at the bottom of the molds and operating in timed sequence withthe plungers for removing the completed pots from the molds, a

conveyor and means for tilting the conpleted pots on to the conveyorafter the said potshave been ejected from the molds.

2. A multiple pot molding machine of the I characterdescribed,comprising a frame, a

series ,of molds, a crank shaft mounted in the frame above the molds,plungers operatively connected with the crank shaft and movable into andout of the molds, ejecting means located at the bottom of the molds andconnected with and actuated by the said crank shaft to eject thecompleted pots from the mold as the plungers are withdrawn, a cQnveyor,and means for delivering the pots on to the conveyor after the pots havebeen ejected from the molds.

3. A multiple pot molding machine of the character described, comprisinga frame, a set of molds, a crank shaft mounted in the frame above themolds, plungers having spindles guided in the frame and connected withthe crank shaft for moving the plun gers into and out of the molds,ejectors arranged at the bottoms of the molds and having spindles guidedin the frame and extending downwardly from the said molds, a suppo' nmmember carrying the ejector spindles, and means for connecting thesupporting member with the crank shaft for operating-the ejectors toremove the molded pots from the molds, as the plungers are Withdrawn.

4.A"'mu1tiple pot molding machine of the character described, comprisinga frame, a set of molds, a crank shaft mounted in the frame above themolds, plungers having spindles guided in the frame and connected withthe crank shaft for moving the plungers into and out of the molds,ejectors arranged at the bottoms of the molds and having spindles guidedin the frame and extending downwardly from the said molds, a supportingmember carrying the ejector spindles, means for connecting the supporting member with the crank shaft for operating the ejectors to remove themolded pots from the molds as the plungers are withdrawn, a conveyorlocated at one side of the molds, a tilting rod arranged at the oppositeside of the molds, and eccentric means connected with the tilting rodfor actuating the same to tilt the pots on to the conveyor. i 5. Amultiple pot molding machine of the character described, comprising aframe,

a set of molds, a crank shaft mounted in the frame above the molds,plungers having spindles guided in the frame and connected with thecrank shaft for moving the plungers into and out of the molds, ejectorsing member with the crank shaft for ope ating the ejectors to remove themolded pots from the molds as the plungers are with drawn, a conveyorlocated at one side of the molds, a tilting rod arranged at the oppositeside of the molds. eccentric means connected with the tiltingrod foractuatingthe same to tilt the pots on to the conveyor, and fixed meansarranged in the path of the tilted pots for causing the same to beinverted on the conveyor.

6. A multiple pot molding machine of the character described,comprisinga frame,

a set of molds, a hopper, means located in the hopper for formingmaterial into balls," a conveyor receiving the material from the hopperand provided with chutes for delivering balls to the molds, means forcontrolling the delivery of the balls to the molds, and means formolding the balls into pots.

7. multiple pot molding machine of the character described, comprising aframe, a set of molds, a hopper having rollers provided with means forforming plastic material into balls. a conveyor receiving the balls fromthe hopper and provided with chutes'extending to the molds, devicesoper-' ating in the chutes for'controlling thelde' livery of the ballsto themolds, and 'ineans for molding the material.- '8 A multiplep'otmolding-machine?,of the character described, comprising a frame' aset of molds, a crank shaft journaled in the frame above the molds,plungers cooperating with the molds, means for connecting the plungerswith the crank shaft for raising and lowering the plungers, meanscoacting with the said means for causing a rotary movement of theplungers when the same are raised and lowered.

9. A multiple pot molding machine of the character described, comprisinga frame, a set of molds, a crank shaft journaled in the frame above themolds, plungers operatively connected with the crank shaft and movableinto and out of the molds, ejecting means located at the bottom of themolds and operating in timed sequence with the plungers for removing thecompleted pots from the molds, and means for rotating the plungers andthe ejecting means simultaneously with the upward and downward movementof the same.

10. A multiple pot molding machine of the character described,comprising a frame,

a set of molds, a crank shaft mounted in the frame above the molds,plungers having spindles connected with the crank shaft for moving theplungers into and out of the molds, said spindles being threaded,threaded guiding means receiving the spindles and engaging the threadsof the spindles for rotating the plungers when the same are movedupwardly and downwardly, ejectors arranged at the bottoms of the moldsand having threaded spindles extending downwardly from the same, asupporting member carrying the ejector spindles, threaded means forengaging the threads of the ejector spindles for causing the rotation ofthe ejectors when the same are raised and lowered, and means forconnecting the supporting member with the crank shaft for raising andlowering the ejectors.

In testimony whereof I have hereunto set my hand.

HENRY KLEB.

